Emilia-Romagna, Italy
istanbul, istanbul, Turkey
Portugal
Thessaloniki, Decentralized Administration of Macedonia and Thrace, Greece
Istanbul, Istanbul, Turkey
Warsaw, Masovian Voivodeship, Poland
Izmir, İzmir, Turkey
Eskişehir, Eskişehir Province, Turkey
Wrocław, Lower Silesia, Poland
Kocaeli, Marmara, Turkey
Kavadartsi, Municipality of Kavadarci, Macedonia (the former Yugoslav Republic of)